Mercedes-Benz has introduced the 2012 ML63 AMG just ahead of its debut at the Los Angeles auto show on Wednesday.

The ML63 AMG is powered by a 5.5-liter V8 biturbo engine with an output of 518 hp (386 kW / 525 PS) and 516 lb-ft (699 Nm) of torque. Fuel-economy has been improved rather dramatically over the previous unit (33 percent) and now features a rating of 16 mpg (14.7 liters/100 km).

Customers wanting more power can opt for the AMG Performance Package which boosts the V8's output to 550 hp (410 kW / 558 PS) and a maximum torque of 560 lb-ft (758 Nm).

Acceleration on the standard model is 4.7 seconds for the 0 to 60 mph (96 km/h) sprint while its a quicker 4.6 seconds with the AMG Performance Package.

New on the ML63 AMG is the Active Curve System which stabilizes body roll for more solid handling of this large SUV. The AMG SPEEDSHIFT PLUS 7-speed automatic transmission also gets a new fuel-efficient torque converter that helps boost fuel-economy.

The press release below has full details.

The 2012 Mercedes-Benz ML63 AMG goes on sale in the first quarter of next year.